China Pressure Sustaining Relief Valve Water Power Control Valve, Find details about China Water Power Control Valve, Pressure Sustaining Relief Valve from Pressure Sustaining Relief Valve Water Power Control Valve
No. | Part | Material | China stardard |
1 | body | ductile iron | QT450-10 |
2 | bonnet | ductile iron | QT450-10 |
3 | Seat ring | stainless steel | ZG1Cr18Ni9 |
4 | Yoke | ductile iron | QT450-10 |
5 | Stem | stainless steel | 20Cr13 |
6 | Spring | stainless steel | 1Cr18Ni9 |
7 | Diaphragm | rubber | NBR+Reinforced nylon |
8 | Ball seat | rubber | NBR |
9 | Pipe fitting | brass/stainless steel | HPb59-1/0Cr18Ni9 |
10 | Pilot Relief Valve | brass | HPb59-1 |
DN | L | ØD | ØK | H | N-Ød | ØB | ||||||||
PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | |||
50 | 230 | 165 | 165 | 165 | 125 | 125 | 125 | 177 | 4-Ø19 | 4-019 | 4-019 | Ø99 | Ø99 | Ø99 |
65 | 290 | 185 | 185 | 185 | 145 | 145 | 145 | 202 | 4-Ø19 | 4-019 | 8-019 | Ø118 | Ø118 | Ø118 |
80 | 310 | 200 | 200 | 200 | 160 | 160 | 160 | 219 | 8-Ø19 | 8-Ø19 | 8-019 | Ø132 | Ø132 | Ø132 |
100 | 350 | 220 | 220 | 235 | 180 | 180 | 190 | 243 | 8-Ø19 | 8-Ø19 | 8-Ø23 | Ø156 | Ø156 | Ø156 |
125 | 400 | 250 | 250 | 270 | 210 | 210 | 220 | 243 | 8-Ø19 | 8-Ø19 | 8-Ø28 | Ø156 | Ø156 | Ø156 |
150 | 480 | 285 | 285 | 300 | 240 | 240 | 250 | 333 | 8-Ø23 | 8-Ø23 | 8-Ø28 | Ø211 | Ø211 | Ø211 |
200 | 600 | 340 | 340 | 360 | 295 | 295 | 310 | 428 | 8-Ø23 | 12-Ø23 | 12-Ø28 | Ø266 | Ø266 | Ø274 |
250 | 730 | 405 | 405 | 425 | 350 | 355 | 370 | 478 | 12-Ø23 | 12-Ø28 | 12-Ø31 | Ø319 | Ø319 | Ø330 |
300 | 850 | 460 | 460 | 485 | 400 | 410 | 430 | 538 | 12-Ø23 | 12-Ø28 | 16-Ø31 | Ø370 | Ø370 | Ø389 |
*350 | 980 | 520 | 520 | 555 | 460 | 470 | 490 | 550 | 16-Ø23 | 16-Ø28 | 16-Ø34 | Ø429 | Ø429 | Ø448 |
NOTE: 1. *DN 125/350 use same internal as DN100/300 2. AISI 304 factory standard material, consult factory for AISI 316 material | ||||||||||||||
Design standard | CJ/T219, JB/T10674 | |
Connection standard | GB/T17241.6 | |
Face spacing standard | GB/T12221 | |
Inspection testing standard | GB/T13927 |
Nominal diameter | DN50~DN250(2"~10") PN10 DN50~DN250(2"~10") PN16 DN50~DN200(2"~8") PN25 | |
Nominal pressure | 0.3MPa~1.7MPa 1.7MPa~2.1MPa | |
Operating temperature | 0°C~85°C | |
Seal test | 1.1PN | |
Shell test | 1.5PN | |
Suitable medium | Water |